import * as THREE from 'three'

// 添加背板
var planeGeometry = new THREE.PlaneGeometry(60, 60, 1, 1);
var planeMaterial = new THREE.MeshLambertMaterial({
  // transparent: true,
  // opacity: 0.3,
  color: 0xffffff,
  // wireframe:true
});
var plane = new THREE.Mesh(planeGeometry, planeMaterial);
plane.receiveShadow = true;
plane.rotation.x = -0.5 * Math.PI;
plane.position.x = 0;
plane.position.y = 0;
plane.position.z = 0;
// scene.add(plane);
